Direct Readout Conference of the Americas...All weather day/night imagery Coastal sea surface winds...
Transcript of Direct Readout Conference of the Americas...All weather day/night imagery Coastal sea surface winds...
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1Imagine the Future John D. Cunningham
Direct Readout Conference of the Americas
Direct Readout Conference of the Direct Readout Conference of the AmericasAmericas
From TIROS and DMSP to the Future
…Tomorrow is here today
From TIROS and DMSP to the Future
…Tomorrow is here today
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2Imagine the Future John D. Cunningham
Building A More Capable System --The Historical Context
First Image from TIROS-1 EOS-Aqua MODIS Image-250 m
Saharan Dust off the Canary Islands18 February 2004
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3Imagine the Future John D. Cunningham
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4Imagine the Future John D. Cunningham
Defense Meteorological Satellite Program
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5Imagine the Future John D. Cunningham
Nimbus 1 launched on Aug 28, 1964, 2 notable firsts -- first three-axis stabilized metsat-- first sun synchronous satellite
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The Challenges
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NRC , 2000
NRC, 2003
NRC, 2000
•Transition from research to operations remains an item of great interest and concern to the National Academy
• Identified and agreed to as a policy element in the new National Space Policy
Transitioning Research to Operations
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8Imagine the Future John D. Cunningham
DMSP(Defense Meteorological
Satellite Program)
EOS (Earth Observing
System)
NPOESS (National Polar-orbiting
Operational Environmental Satellite System)
Sensor data rate: 1.5 MbpsData latency: 100-150 min.
1.7 GigaBytes per day (DMSP)6.3 GigaBytes per day (POES)
15 Mbps sensor data rateData latency: 100-180 min.Data availability: 98%Ground revisit time: 12 hrs.
2.6 TeraBytes per day (EOS)2.4 TeraBytes per day (NPP)
20 Mbps sensor data rateData latency: 28 min.Data availability: 99.98%Autonomy capability: 60 daysSelective encryption/deniabilityGround revisit time: 4-6 hrs.
8.1 TeraBytes per day
Growing data volume and rate could stress processing and archive
POES(Polar Orbiting
Operational Environmental Satellites)
NPP(NPOESS
Preparatory Project)
1960 - 2010 2000 - 2010 2010 – 2020+
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9Imagine the Future John D. Cunningham
Direct Readout Conference of the Americas
Direct Readout Conference of the Direct Readout Conference of the AmericasAmericas
Imagine …
What if … ???
Can we make the future Can we make the future what we want??what we want??
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10Imagine the Future John D. Cunningham
I envision four distinct possibilities in the NPOESS era
• Training
• Cooperation in regional data networks
• Cooperation in instrument development to meet new needs
• Cooperation at the mission level
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11Imagine the Future John D. Cunningham
We get to write the history of the future
• We get to decide if we will follow the ideas of the past or try new things
• What says that we can’t take new and old Ideas and find new solutions to old problems?
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Training
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13Imagine the Future John D. Cunningham
Training
• You have heard several groups from the United States discuss the superb tools they are developing to train meteorologists in the use of existing and future satellite capabilities
• You also heard that the biggest weakness is our ability to provide these tools in the languages of your countries
• Why don’t we discuss cooperative agreements where we supply the technical products and you have your scientists, engineers and meteorologists provide the translation
• Your meteorological services could provide equivalent imagery that depicts your region
• Our training groups would then integrate the results into a finished product
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Regional Data Sharing
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15Imagine the Future John D. Cunningham
Regional data sharing… what am I thinking about?
• Historically, satellites stored high resolution data because they didn’t have the RF links to send the data down
• Realtime data was normally limited in quality and quantity
• Data transfer was limited because of limited ground communication links
• So …• Lets look at it with a new set of eyes
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16Imagine the Future John D. Cunningham
Consider the NPOESS concept, but use the ideas a different way
• What makes NPOESS unique and capable?• SafetyNetTM
• Full instrument data set send down over X-band realtime link• Multiple instruments on the same platform
– Even potential for high resolution multispectral imaging in the 2130 orbit with Landsat Data Continuity Mission
• What are NPOESS’ weaknesses?• SafetyNetTM is a playback-only system whose data may not be of interest or even relevant (because it was recorded somewhere else)
• Readtime links don’t cover continent-sized areas in a single pass• Weather comes from somewhere else, perhaps out of the realtime field of view
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17Imagine the Future John D. Cunningham
NPOESS’ Greatest Facilitators
• SafetyNetTM makes NPOESS possible• The worldwide fiber net makes SafetyNet possible
• A standard software package for users opens tremendous potential
• NPOESS data processing software is being designed to operate on a family of computers, driven by– User timelines– User needs
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Let’s Looks At One Possibility
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Pass-to-pass overlap
Consecutive NPOESS Orbits
13 2
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5 – 6 stations can cover all of the Americas south of the US
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Tied together by fiber networks
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Pass-to-pass overlap
Result: •Continental data coverage available locally in near real time•Adjacent ocean areas available from NOAA after NPOESS playback
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Is This Possible?
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25Imagine the Future John D. Cunningham
Data processing design trade example
Computing Power (MFLOPS)
Proc
ess i
ng t i
me
( min
)
Antenna Dia (meters)El
evat
i on
(deg
rees
)
Rain rate
NPOESS approach allows user to buy commercial, local equipmentto meet their specific needs, based on their performance requirements
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http://www.comsatinternational.com/network/
Absolutely!!
The critical facilitator exists NOW!!
IquiqueAntofagasta
CopiapóLa Serena
ValparaísoSantiago
TalcaCon cepciónTemucoValdivia
To US
So, is it possible?
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Preplanned Product Improvement
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28Imagine the Future John D. Cunningham
Preplanned Product Improvement on NPOESS
Tropospheric windsNeutral winds
All weather day/night imageryCoastal sea surface winds
Ocean wave characteristicsSurf conditionsOil spill locationLittoral current
CH4 columnCO columnCO2 column
Optical backgroundSea and lake ice
Coastal ocean colorBioluminescence potential
Coastal sea surface temperatureSea surface height coastal
BathymetryVertical hydrometeor profile
Salinity
IPO P3I
Announcement of
Opportunity
Your Ideas and
Needs
Payload on
NPOESS
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29Imagine the Future John D. Cunningham
Capability
• NPOESS designed with built in margin for P3I• Set at 25% most heavily loaded s/c (1330) payload capability
– 365 kg– 326 w
• No constraints on mission• Meeting NPOESS requirements is a “bonus”
• Data release conditions can be negotiated
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Mission Cooperation
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31Imagine the Future John D. Cunningham
Mission Cooperation
• The first NPOESS will carry• Moderate resolution imagery (400 – 800 m visible and IR) • Microwave imagery for
– Soil moisture– Sea ice edge and motion
• Perhaps a higher resolution, multispectral Landsat imager– 10 – 30 m resolution
• Eumetsat’s Metop will carry• IASI infrared sounder• US’ Advanced Microwave Sounding Unit (AMSU)• Scatterometer
• What we don’t have• Imaging radar• Altimeter
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32Imagine the Future John D. Cunningham
What could be done?
• As new national missions come on line, consider NASA’s “train” concept
• Closely spaced satellites that see the same environmental phenomena
• Maintain separate schedules, ground stations, data processing• Sharing data between users
A little movie follows that shows fused data – land use, weather, elevation, ocean color
… Imagine what we could do if we planned it …
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33Imagine the Future John D. Cunningham
Fused data sets give value greater than the sum of their parts ..
Gra
phic
cou
rtes
y of
NA
SA
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34Imagine the Future John D. Cunningham
Summary
The Data Will Be Out There … It’s Up To Us To Make It HappenThe Data Will Be Out There … It’s Up To Us To Make It Happen
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35Imagine the Future John D. Cunningham
Imagine…